Decus Research Ltd

Decus Research Limited is a UK-based laboratory testing and scientific consultancy company established in 2003. The company has held UKAS ISO/IEC 17025 accreditation since 2008 and operates an accredited testing laboratory, No. 4303. Its specialists provide laboratory analysis, field sampling, compliance monitoring and technical support to businesses, local authorities and other organisations.

Decus tests potable water from private supplies, bottling plants and industrial boreholes, assessing microbiological and chemical parameters. Its services also include monitoring for landfill sites, quarries, industrial facilities, development projects, effluent treatment plants, swimming pools, spas and public showers. The team undertakes environmental investigations, including river corridor surveys, and advises on decommissioning, remediation strategies and aerated reed bed systems.

With expertise across chemistry, organic chemistry, microbiology and engineering, Decus supports clients in understanding results, meeting regulatory requirements and managing complex environmental and treatment challenges. The company also offers sample collection and testing, alongside a client portal and laboratory information system to support service delivery. Decus participates in performance testing schemes including AQUACHECK and QWAS.